Topical testosterone most commonly causes skin problems like itching or rash. In those with female anatomy, specifically, it can cause unwanted hair growth, acne, or birth defects in pregnant people.

What used to be a niche treatment for men with legitimate medical conditions has morphed into "youth and vigor" as a ...

Testosterone recovery post-ADT is influenced by treatment duration, baseline testosterone levels, and patient age. Younger patients and those with higher baseline testosterone levels recover more ...

KYZATREX ® is a controlled substance (CIII) because it contains testosterone. It is not known if KYZATREX ® is safe or effective in males younger than 18 years old. Improper use may affect bone growth ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

If you’re taking finasteride — or the brand name versions Propecia or Proscar — you’re probably checking your hairline for changes. But there might be something else you’re worried about changing: ...

Xyosted (testosterone enanthate) is a brand-name injectable drug that’s prescribed for testosterone deficiency in some adults. As with other drugs, Xyosted can cause side effects, such as headache, ...

Medically reviewed by Danielle Weiss, MD PCOS is the most common cause of high testosterone in women, affecting about 10% ...

She went on testosterone to help with her menopausal symptoms. The effects had unexpected consequences for their marriage.

Historically, testosterone has been associated with masculinity. Someone having high levels of testosterone was shorthand for perceived higher levels of aggression, strength, and libido. However, ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...